public class Test {
    public static void main(String[] args) {
        System.out.println(Student.getClassName());
    }
}

class Student{
    private String name;
    private int age;
    private double score;
    private static String className;
    static{
        className = "113";
    }
    public Student(String name, int age, double score){
        this.name = name;
        this.age = age;
        this.score = score;
    }
    public static String getClassName(){
        Student student = new Student("zhangsan", 20, 12.4);
        student.show();
        return className;
    }
    public void show(){
        System.out.println(this.name + this.age + this.score);
    }
}
